Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8747
-gerrit
commit b1b8b329b262e3efbd508448ac4e24fe24112f0f Author: Jim Lin jilin@nvidia.com Date: Mon Dec 8 19:30:04 2014 +0800
libpayload: EHCI: Fix transaction error for interrupt transfer
Data toggle should be running like 0, 1, 0, 1, ... In the failed case (where a low-speed USB keyboard or km232 device is installed), data toggle will be running as 0, 1, 0, 1, ..., 1, 1. Therefore causing Halted or Transaction Error bit to be set in qTD Status field.
BUG=None BRANCH=None TEST=Tested on nyan_kitty platform, firmware-kitty-5771.61.B branch. Attached USB keyboard or km232 device to root-hub port (same side as SD card slot). Made sure no transaction error after doing interrupt transfer.
Change-Id: I576f3c583dae4c279a6e0e8ffdfce5abe463277d Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 64b0428aaab869e20f6720669e953acf82ecb846 Original-Change-Id: Ic2c0f95cff2ae6e314967b0b82231a962255f1a7 Original-Signed-off-by: Jim Lin jilin@nvidia.com Original-Reviewed-on: https://chromium-review.googlesource.com/233857 Original-Reviewed-by: Julius Werner jwerner@chromium.org --- payloads/libpayload/drivers/usb/ehci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/payloads/libpayload/drivers/usb/ehci.c b/payloads/libpayload/drivers/usb/ehci.c index c9ababd..0e12217 100644 --- a/payloads/libpayload/drivers/usb/ehci.c +++ b/payloads/libpayload/drivers/usb/ehci.c @@ -666,7 +666,7 @@ static void *ehci_create_intr_queue(
/* create spare qTD */ intrq->spare = (intr_qtd_t *)dma_memalign(64, sizeof(intr_qtd_t)); - fill_intr_queue_td(intrq, intrq->spare, data); + intrq->spare->data = data;
/* initialize QH */ const int endp = ep->endpoint & 0xf;